Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

Check for undefined on browser globals. #462

Merged
merged 2 commits into from
May 18, 2017
Merged

Check for undefined on browser globals. #462

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
850749f
Check for undefined on browser globals.
May 18, 2017
695ce4d
remove redundant global checks
May 18, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 5 additions & 5 deletions src/browser.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -40,20 +40,20 @@ function useColors() {
// NB: In an Electron preload script, document will be defined but not fully
// initialized. Since we know we're in Chrome, we'll just detect this case
// explicitly
if (window && window.process && window.process.type === 'renderer') {
if (typeof window !== 'undefined' && window.process && window.process.type === 'renderer') {
return true;
}

// is webkit? http://stackoverflow.com/a/16459606/376773
// document is undefined in react-native: https://github.com/facebook/react-native/pull/1632
return (document && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
return (typeof document !== 'undefined' && document.documentElement && document.documentElement.style && document.documentElement.style.WebkitAppearance) ||
// is firebug? http://stackoverflow.com/a/398120/376773
(window && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
(typeof window !== 'undefined' && window.console && (window.console.firebug || (window.console.exception && window.console.table))) ||
// is firefox >= v31?
// https://developer.mozilla.org/en-US/docs/Tools/Web_Console#Styling_messages
(navigator && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/firefox\/(\d+)/) && parseInt(RegExp.$1, 10) >= 31) ||
// double check webkit in userAgent just in case we are in a worker
(navigator && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
(typeof navigator !== 'undefined' && navigator.userAgent && navigator.userAgent.toLowerCase().match(/applewebkit\/(\d+)/));
}

/**
Expand Down